GetExtents Example

InstallShield 2016 » InstallScript Language Reference

Note • To call this function in a Basic MSI setup, you must first create a custom action for the entry-point function, execute the custom action in a sequence or as the result of a dialog's control event, and then build the release.

/*--------------------------------------------------------------*\

*

* InstallShield Example Script

*

* Demonstrates the GetExtents function.

*

* This script calls GetExtents to obtain the current video

* resolution of the target system.  It then displays that

* information in a dialog.

*

\*--------------------------------------------------------------*/

#define TITLE_TEXT "GetExtents example"

#define MSG_TEXT   "Video Resolution: %d by %d"

// Include Ifx.h for built-in InstallScript function prototypes.

#include "Ifx.h"

export prototype ExFn_GetExtents(HWND);

function ExFn_GetExtents(hMSI)

    NUMBER  nvDx, nvDy;

begin

    // Get the video resolution of the target system.

    if (GetExtents (nvDx, nvDy) < 0) then

        // Report the error.

        MessageBox ("GetExtents failed.", SEVERE);

    else

        // Display the information

        SprintfBox (INFORMATION, TITLE_TEXT, MSG_TEXT, nvDx, nvDy);

    endif;

end;

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